What is the need of earthing transformer for delta side of a transformer. (Think of a line section between a star/delta transformer at a grid substation and delta/star transformer at a village. An earthing transformer is there at the delta side of the star/delta transformer at grid substation). As there are no ground reference there will not be fault current if a one phase is grounded. Further L-L phase will be sensed by the primary side of star/delta transformer as a L-G fault. So why an earthing transformer is required at delta side
975Post New CEB Electrical Engineering Interview Questions
-
CEB Electrical Engineering Interview Questions (4)
What is difference between fail-fast and fail-safe?
What are the different types of classes implemented in the set interfaces? : java collections
plz tel me syllabus and exam date 4 jr executive engg (electrical)
How to measure current and voltage in an ELV circuit
What is the relation between xhtml and http?
How to caliculate the boil up rate, dia and height in both packed and tray distillation columns and any referance books for the design.
What is meaning of type safety in c#?
Compare the STS and SPS and state its important features?
Msi replica mode??
How can you find the day of the week given the date?
How to create SQL queries with SQL Builder?
what are the other factors of the database on which the loading performance depend?
What is natural key?
What is the main difference between sort + and sort -?
Why do I get unexpected characters from 8-bit character sets in weblogic jdriver for oracle?
